How to reset control board for washing machine or refrigerator involves power cycling to reboot electronics and clear error codes, similar to restarting computer, with general steps applicable to Samsung washer, fridge, and other appliances. For Samsung washer, turn off washer using power button, unplug washer from wall outlet or turn off circuit breaker supplying washer, wait 5 to 10 minutes to allow capacitors on control board to fully discharge and memory to clear, press and hold power button for 5 seconds while unplugged to drain residual charge, then plug back in or turn breaker on, turn on washer and test. For some models, reset control board by pressing combination like Temp and Delay End or Spin and Soil Level together for 3 seconds until display shows reset. For refrigerator control board, unplug fridge for 5 minutes or press Power Freeze and Power Cool together for 10 seconds. Resetting control board can fix issues like frozen display, not starting, error codes, and unresponsive buttons. If problem persists after reset, control board may be faulty and need replacement.
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